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Are interpolations in metallicity reliable?

Published online by Cambridge University Press:  01 December 2006

L. Angeretti ,
G. Fiorentino  and
L. Greggio
L. Angeretti
Affiliation:
INAF-OA Bologna, via Ranzani, 1 I-40127, Bologna, Italy email: luca.angeretti@oabo.inaf.it, giuliana.fiorentino@oabo.inaf.it.
G. Fiorentino
Affiliation:
INAF-OA Bologna, via Ranzani, 1 I-40127, Bologna, Italy email: luca.angeretti@oabo.inaf.it, giuliana.fiorentino@oabo.inaf.it.
L. Greggio
Affiliation:
INAF-OA Padova, vicolo dell'Osservatorio 1, Padova, Italy email: laura.greggio@oapd.inaf.it
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Abstract

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In this proceeding we present the procedure that we have adopted to obtain a dataset of Padova94 tracks (Bressan et al. (1993), Fagotto et al. (1994), Fagotto et al. (1994)) interpolated in metallicity. The procedure requires special care to avoid spurious features in the resulting grid, thus we have subdivided tracks in evolutionary phases, we have chosen the suitable interpolation method and the transition masses. Finally, we have compared our interpolated dataset with a similar models, Girardi et al. (2000), obtaining a general good agreement.

Keywords

stars: evolutionHertzsprung-Russell diagram
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S241: Stellar Populations as Building Blocks of Galaxies , December 2006 , pp. 41 - 42
Copyright
Copyright © International Astronomical Union 2007

References

Bressan, A., Fagotto, F., Bertelli, G., & Chiosi, C., 1993, A&AS, 100, 647Google Scholar
Fagotto, F., Bressan, A., Bertelli, G., & Chiosi, C., 1994, A&AS, 105, 29Google Scholar
Fagotto, F., Bressan, A., Bertelli, G., & Chiosi, C., 1994, A&AS, 104, 365Google Scholar
Girardi, L., Bressan, A., Bertelli, G., & Chiosi, C., 2000, A&AS, 141, 371Google Scholar